package com.ruoyi.common.sms;

import cn.hutool.crypto.SecureUtil;
import com.alibaba.fastjson.JSON;
import org.apache.commons.codec.binary.Base64;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;

/**
 * 短信工具类
 *
 * @author jiexiang.sun/Jason
 * @version 1.0.0
 * @create 2022-06-23 22:13
 **/
public class SmsUtil {

    public static String sendMessage(String mobile, String message) {
        String res = new String();
        Submit submit = new Submit();
        submit.setEcName("宿迁市交通运输局");
        submit.setApId("sqjtj");
        submit.setSecreKey("SQjt123A!");
        submit.setMobiles(mobile);
        submit.setContent(message);
        submit.setSign("68kJCCxE6");
        submit.setAddSerial("");
        //拼接字段
        StringBuffer stringBuffer = new StringBuffer();
        stringBuffer.append(submit.getEcName());
        stringBuffer.append(submit.getApId());
        stringBuffer.append(submit.getSecreKey());
        stringBuffer.append(submit.getMobiles());
        stringBuffer.append(submit.getContent());
        stringBuffer.append(submit.getSign());
        stringBuffer.append(submit.getAddSerial());
        //加密拼接字段
        String mac = SecureUtil.md5(stringBuffer.toString());
        //设置加密字段
        submit.setMac(mac);
        String pram = JSON.toJSONString(submit);
        //base64转码
        String encode = Base64.encodeBase64String(pram.getBytes());
        try {
            res = sendPost("http://112.35.1.155:1992/sms/norsubmit", encode);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return res;
    }

    private static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }

        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }
}
